ἐξαληθίζομαι
From LSJ
εἰς πέλαγος σπέρµα βαλεῖν καὶ γράµµατα γράψαι ἀµφότερος µόχθος τε κενὸς καὶ πρᾶξις ἄκαρπος → throwing seeds and writing letters at sea are both a vain and fruitless endeavor
English (LSJ)
A to be truly recorded, EM327.44.
Spanish (DGE)
decir la verdad, ser verdadero o verídico εἴ πού τι καὶ πρὸς ἱστορίαν ἐξαληθίζεται (τὰ μυθολογούμενα) Phot.Bibl.319a26, cf. EM 327.44G.